Thursday

October 23, 2014

October 23, 2014

Number of results: 20,925

**Alegebra 1**

Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. A ball is selected at random from urn A and then a ball is selected at random from urn B. What is the probability that a 4 is drawn from A followed by a 2 from B?
*September 8, 2009 by maria*

**Alegebra**

Can some one please help me with this 3 problems I have a hard time with probabilities I'm studying for my mid-term. Thank you 1) Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. A ball is selected at random from urn A and then a ball is selected at ...
*September 11, 2009 by Jessi*

**algebra**

a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball
*July 5, 2013 by Sandi*

**MATH**

An urn contains 8 pink and 7 red balls. 6 balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all 6 balls drawn from the urn are pink? Round your answer to three...
*November 30, 2012 by Cindy*

**statistics**

An urn contains white and red balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round your answer to three ...
*November 15, 2012 by Anonymous*

**statistics**

An urn contains white and red balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round your answer to three ...
*November 15, 2012 by Anonymous*

**MATH(STATISTICS)**

Urn A contains R red balls and W white balls, urn B contains r red balls and w white balls. a.If an urn is selected at random and a ball drawn, what is the probability that the ball is red? b.If a ball is drawn from urn A and put into urn B, and then a ball is drawn from urn B...
*October 5, 2011 by Anonymous*

**MATH**

Urn A contains six white balls and three black balls. Urn B contains seven white balls and five black balls. A ball is drawn from Urn A and then transferred to Urn B. A ball is then drawn from Urn B. What is the probability that the transferred ball was white given that the ...
*October 16, 2012 by Jon*

**Finite Math**

An urn contains six red balls and five white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?
*March 15, 2012 by Amanda*

**Statistics**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*September 30, 2014 by Olivia*

**Math**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*October 1, 2014 by Olivia*

**statistics**

1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the probability that the first ball selected is red and ...
*September 26, 2009 by John*

**Math (Probability)**

An urn A contains 6 white balls and 7 black balls. And urn B contains 8 white balls and 6 black balls. A person draws a ball at random from one of the two urns. It turns out to be black. What is probability that the ball was drawn from urn A? (A) 7/14 (B) 49/88 (C) 39/88 (D) ...
*October 11, 2012 by AngelG*

**Math (Probability)**

An urn A contains 6 white balls and 7 black balls. And urn B contains 8 white balls and 6 black balls. A person draws a ball at random from one of the two urns. It turns out to be black. What is probability that the ball was drawn from urn A? (A) 7/14 (B) 49/88 (C) 39/88 (D) ...
*October 11, 2012 by AngelG*

**maths**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of the same color is the...
*June 22, 2013 by Anonymous*

**phy**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of the same color is the...
*June 23, 2013 by Anonymous*

**Math-Probability**

An urn contains four red balls and three white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?
*March 16, 2012 by Emma*

**Math/Statistics**

I don't get how to do this...can anyone help? 1. In a large box are 20 ping-pong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without replacement. 1. a.Find the ...
*September 27, 2009 by John*

**math**

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing , without replacement, two balls of the same color is ...
*June 17, 2013 by jack *

**statistics**

Two urns each contain yellow balls and black balls. Urn 1 contains 2 yellow balls and 6 black balls. urn2 contains 2 yellow balls and 5 black balls. A ball is drawn from each urn. What is the probability that both balls are yellow? Please show me how do do this math problem.
*March 12, 2008 by cortnie*

**math**

A basket contains 15 red numbered balls and 10 white numbered balls. A sample of five balls is selected. How many samples contain three red balls and two white balls? Explain your answer.
*March 18, 2013 by alice*

**Strayer University**

An urn contains white balls and red balls. If Juan chooses balls at random from the urn, what is the probability that he will select white balls and red balls? Round your answer to decimal places
*June 16, 2014 by Thomala*

**Statistics**

A box contains five numbered balls (1,2,2,3 and 4). We will randomly select two balls from the box (without replacement). (a) The outcome of interest is the number on each of the two balls we select. List the complete sample space of outcomes. (b) What is the probability of ...
*March 12, 2013 by Randy*

**College Finite Math**

Your Open QuestionShow me another » If the ball is either blue or white, what is the probability that it was drawn from urn Y? Assume that you randomly pick one of the urns: X, Y, or Z. You then randomly draw one ball out of the selected urn and note its color. The urns ...
*April 2, 2009 by Nahla*

**Math**

Each of two urns contains green balls and red balls. Urn one contains 10 green balls and 8 red balls. Urn two contains 3 green balls and 10 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 23/18 B. 10/27 C. 40/117 D. 18/31
*April 17, 2014 by Chris*

**math *check***

8. Each of two urns contains green balls and red balls. Urn one contains 8 green balls and 12 red balls. Urn two contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33******? D. 2/13
*June 10, 2014 by Me*

**math**

each of two urns contains green balls and red balls. urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. if a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33 D. 2/13
*May 7, 2014 by help please*

**Finite Math-Probability**

Suppose we have an urn with 10 white balls and 6 red balls, and we create an experiment by randomly selecting 6 balls from the urn. a) What is the probability that the sample has the same number of white balls as red balls? b) What is the probability that there are more red ...
*November 24, 2012 by Em*

**Statistic**

A urn contains 21 red balls, 14 white balls If we randomly select 2 balls, one after the other without replacement, what is the probability that both of the balls selected are red?
*March 24, 2013 by Bella*

**statistics**

An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the probability distribution of number of white balls drawn. Hence state the expected number of white balls one can get in such a draw.
*August 27, 2014 by URMILA*

**statistics**

An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the probability distribution of number of white balls drawn. Hence state the expected number of white balls one can get in such a draw.
*September 5, 2014 by sam*

**math **

If a ball is selected at random from an urn containing six red balls, six white balls, and eight blue balls, what is the probability that it will be a white ball
*February 20, 2011 by Vanny*

**Finite**

An urn contains 5 white balls and 4 black balls. If 3 balls are randomly selected ( at once, without replacement ), what is the probability that at least 1 ball is black? Give answer as a decimal number with three correct decimal places.
*November 14, 2013 by zach*

**Math**

Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?
*June 12, 2014 by Sarah*

**maths**

urn contains 4 white and 6 red rolls. Four balls are drawn at random (without replacement) from the urn. Find the probability distribution of number of white balls?
*February 19, 2013 by Anonymous*

**math**

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white. (Round your answer to three decimal places.)
*February 27, 2011 by Anonymous*

**statistics**

An urn contains 4 blue balls, 5 yellow balls and 7 red balls. if a single ball is selected, find the probability thet the ball is Red? Not blue? blue or yellow
*February 15, 2011 by Andrea*

**data analysis **

- In the State of Georgia, one of the most popular lottery games is called Mega Millions. To play Mega Millions, you pay $1 and try to pick the numbers that will match five white balls and the one mega ball. There are 56 white balls numbered 1 to 56; and 46 mega balls numbered...
*January 4, 2011 by jeter*

**math probability **

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.
*February 28, 2011 by Sam*

**probability **

Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white
*February 27, 2011 by sam*

**Math**

Five balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the probability that two or three of the balls are white.
*April 10, 2011 by Brittany*

**Finite Math**

An urn contains sixteen red balls and seventeen white balls. A sample of three balls is selected at random and the number of red balls observed. Determine the probability distribution for this experiment: Number of Red Balls/Probability 0...Probability=? 1...Probability=? 2......
*April 5, 2012 by Amanda*

**math**

For this problem, assume the balls in the box are numbered 1 through 9, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*September 13, 2010 by Laura*

**statistics**

For this problem, assume the balls in the box are numbered 1 through 9, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*September 13, 2010 by Laura*

**Finite**

For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 3 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*January 23, 2011 by Hil*

**Math**

For this problem, assume the balls in the box are numbered 1 through 8, and that an experiment consists of randomly selecting 2 balls one after another without replacement. What probability should be assigned to the event that at least one ball has an odd number?
*January 26, 2011 by Amanda*

**Probability Distribution**

An urn has fifteen red balls and nineteen white balls. Three balls are selected at random and the number of red balls are observed. Find the probability distribution for Number of Red Balls: 0 = 1 = 2 = 3 =
*April 7, 2012 by F0reveryoung*

**math**

Numbered disks are placed in a box and one disk is selected at random. There are 6 red disks numbered 1 through 6, and 7 yellow disks numbered 7 through 13. In an experiment a disk is selected, the number and color noted, replaced, and then a second disk is selected. Is this ...
*February 26, 2011 by Anonymous*

**Probabilities**

A bag contains 150 balls numbered 1 through 150 . Three balls are drawn and placed on the table. The probability that the balls were drawn in increasing order can be expressed as a/b where a and are coprime positive integers. What is the value of a+b
*April 1, 2013 by Anna*

**Math Probability**

A lottery game has balls numbered from 0 - 9 If a ball is selected at random, what is the probability of selecting an even numbered ball or a 5 ? I am guessing this is Mutually exclusive event and hence used the OR= P(A)+P(B) concept considering 0 as an even number I keep ...
*December 4, 2011 by HM*

**Finite**

Assume that the box contains balls numbered from 1 through 28, and that 3 are selected. A random variable X is defined as 1 times the number of odd balls selected, plus 2 times the number of even. How many different values are possible for the random variable X? I know that is...
*October 8, 2012 by Sam*

**College Discrete **

An urn contains n > 0 white balls and m > 0 black balls. Consider the experiment where two balls are drawn without replacement. What is the probability that the balls are of the same color? What is the probability of this event, if the balls are drawn with replacement? ...
*October 16, 2012 by Anonymous*

**PROBAbility!!!!**

A bag contains 150 balls numbered 1 through 150. Three balls are drawn and placed on the table. The probability that the balls were drawn in increasing order can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?
*April 2, 2013 by please help me out!!*

**math**

An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls.
*February 2, 2011 by Kristin*

**Statistics - math**

An urn contains 5 red balls and 10 white balls. 6 balls are randomly drawn and not replaced. What is the probability that 3 or fewer balls drawn are red?
*October 2, 2012 by Gina*

**statistics**

An Urn contains 7 red and 3 white balls. Two balls are drawn in succession without replacement. If the second ball is white, what is the probability that the first ball was white?
*December 7, 2010 by Emily*

**statistics**

A jar contains 2 red balls, 2 blue balls, 2 green balls and 1 orange ball. Balls are randomly selected, without replacement, until 2 of the same colour are obtained. Calculate the probability that more than 3 balls must be selected.
*August 7, 2014 by Koala*

**math**

An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls. How many outcomes are in the sample space for this experiment? How...
*February 2, 2011 by Kristin*

**Math **

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1. What is the probability...
*February 7, 2013 by Kyle*

**Probability **

A nickel is flipped and a dime is flipped. 1. What is the probability of obtaining exactly one head? A bag contains five balls numbered 0 through 4. Two balls are chosen at random in succession. The first ball is replaced before the second is chosen. 1. What is the probability...
*February 7, 2013 by Kyle*

**contemporary Math**

If there are 2 red disks numbered 1 through 2, and 6 yellow disks numbered 3 through 8, find the probability of selecting a red disk, givent that an odd-numbered disk is selected?
*November 17, 2010 by Savannah*

**math**

A lottery game has balls numbered 1 through 15. If a ball is selected at random, what is the probability of selecting a ball showing an even number or the number 12? I thought the answer would be 7 even numbers and 1 for the 12 which would be 8/15 is not an option for the ...
*November 27, 2010 by m*

**probability**

wooden balls are numbered 1-75. Five balls are drawn at random. What is the probability of drawing 5 consecutive numbers if no replacement occurs.? The first ball has a 1/75 chance of being selected. The second ball can be from either above or below the first, so it has a 2/74...
*December 11, 2006 by matt*

**Statistics**

An urn contains 8 chips, numbered 1 through 8. A sample of 3 is drawn without replacement. What is the probability that the largest chip in the sample is a 5?
*June 24, 2011 by Nicholas*

**Mathematics**

There are 2 white marbles in urn A and 4 red marbles in urn B . At each step of the process a marble is selected from each urn and the 2 marbles are interchanged.What is the probability that there 2 red marbles in in urn A after three steps....please give an explanation
*October 24, 2011 by Subhadip *

**Probability - CHECK**

Could someone check my answers for these questions: 62. Powerball is played with 55 white balls, numbered 1 through 55 and 42 red balls, numbered 1 through 42. Five white balls and one red ball are drawn. In how many ways can a player select the six numbers? Answer: 141607962 ...
*March 9, 2009 by Tanimura*

**math- odds**

A bag contains 13 balls numbered 1 through 13. What are the odds in favor of selecting a ball that has an even number? Explain why?
*November 13, 2009 by matt*

**Math**

A box containing 20 yellow balls, 9 red balls and 6 blue balls. If the balls are selected at random, what is the smallest number of balls that need to be selected so you will select at least two balls of each colour
*May 4, 2014 by Baby girl*

**Maths :(**

41 different balls are drawn from a bag containing balls numbered 1,2,…,300. The probability that the number of odd balls drawn is larger than the number of even balls can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?
*April 15, 2013 by Ian*

**Math**

Please help with math!!!!!? 1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) . experimental; the result is found by repeating an experiment. . experimental; the result is based on the number of possible outcomes. . theoretical; the result is found by repeating an ...
*April 16, 2013 by Chico*

**Probability**

1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C. Theoretical; the ...
*April 17, 2014 by Chris*

**d**

given piles of identical red, blue and green balls where each pile contains at least 10 balls, how many ways can 10 balls be selected such that exactly two green balls are selected and at most one red ball is selected?
*June 16, 2013 by Anonycmous*

**algebra**

If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14 placed in a box. Find the probability of selecting a red disk numbered 3.
*November 14, 2010 by Kelly*

**math**

A box contains 55 balls numbered from 1 to 55. If 15 balls are drawn with replacement, what is the probability that at least two of them have the same number?
*October 22, 2012 by Anonymous*

**Discrete Math**

A box contains 55 balls numbered from 1 to 55. If 8 balls are drawn with replacement, what is the probability that at least two of them have the same number?
*April 27, 2011 by Nick*

**math-urgent**

1. two cards are drawn from a standard of 52 cards. Find the probability that the second card is a spade given that the first card is a club. 2. Suppose you draw 3 cards from a standard deck of 52 cards . Find the probability that the third card is a club given that the first ...
*April 3, 2014 by temmick*

**Probabilities ~~**

1.) a computer package sale comes with two different choices of printers and four different choices of monitors. if a store wants to display each package combination that is for sale, how many packages must be displayed? make a tree diagram showing the outcomes for selecting ...
*November 9, 2010 by Kay*

**Math**

I am stuck on several probability questions. A spinner that has 15 equal sized sections numbered 1 to 15 is spun twice. What is the probability the spinner lands on an odd number and then on an even number? A. 56/225 B. 169/225 C. 1/15 D. 21/225 I chose A. 56/225 because 8/15 ...
*January 11, 2013 by Jack*

**Math**

A bag contains 5 balls,8 white balls, 9 green balls,7 blue balls& 6 yellow balls.A ball is drawn at random .Find the probablity that the ball in neither green nor red ?
*March 8, 2012 by Rajit Rastogi*

**Probability**

A drawer contains six bags numbered 1-6, respectively. Bag i contains i blue balls and 2 green balls. You roll a fair die and then pick a ball out of the bag with the number shown on the die. What is the probability that the ball is blue? Thank you!
*January 27, 2012 by Erica*

**Math**

Four balls are simultaneously picked at random from a jar containing 2 red balls, 2 green balls, and 6 yellow balls. What is the probability that exactly two of the selected balls will be red?
*November 15, 2010 by Molly*

**Statistics**

A bowl contains 3 red balls, 2 blue balls and 5 white balls. A ball is selected and the color noted. Then it is replaced. A second ball is selected and its color noted. Find the probability of getting a red ball and a blue ball.
*November 18, 2010 by Maryan*

**maths-probabilty**

A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?
*March 12, 2013 by anoynomous*

**statistics**

A box contains 3 white and 5 black balls. Four balls are drawn at random "with replacement" from the box (i.e. selected balls are returned to the box and mixed, before drawing the next ball). Let X be the number of black balls drawn. What is the distribution of X? What is the ...
*April 13, 2012 by Anonymous*

**maths-probabilty(urgently needed)**

A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?
*March 12, 2013 by anoynomous*

**statistics**

If a bag contains a set of 20 red balls, 10 green balls, and 15 black balls, then what is the possiblity of selecting (in this order) a red ball, a green ball, and a red ball. Without Replacement of the items selected. Can you explain how you get the answer? Thank you
*September 12, 2012 by Cheryl*

**math**

A box contains 8 blue balls and 2 red balls. Three balls are selected from the box at random without replacement. Find the probability that two balls are blue and one ball is red.
*May 2, 2011 by Suetusi*

**IT/210 CheckPoint Iteration Control Structure**

Need help with this! Uses a while counter loop In front of you is a non-see through bag containing 50 red balls and 50 black balls. You are to design a solution that will allow you to draw one ball at a time until 12 red balls are drawn. At the end of the program you will ...
*September 21, 2011 by Jim*

**math**

On a roulette wheel are 36 slots numbered 1 through 36 and 2 slots numbered 0 and 00. You can bet on a single number. If the ball lands on your number, you receive 35 chips plus the chip you played. a. What is the probability that the ball will land on 17? b. What are the odds...
*August 14, 2010 by kirk*

**math 157**

A box contains three black balls and two golden balls. A ball is selected at random, it's color is recorded and it is then replaced. A second ball is selected at random, it's color is recorded it is then replaced. The outcome is associated with this type of selection is an ...
*January 9, 2010 by Rmz*

**math**

a box filled with identically shaped balls contains 5 balls with the number 1 on them, 8 balls with the numbers 10 on them, 15 balls with the number 12, and 2 balls with the number 20 on them. If the balls cannot be seen from outside the box, and if one ball is picked at ...
*July 31, 2013 by tg*

**Math**

A bag contains a set of ping pong balls numbered from 1 to 12. If you reach in and randomly pull out 3 of them, what is the expected value of the sum of the numbers on the 3 ping pong balls? Thanks :)
*March 20, 2013 by Parul*

**statistic**

a box contain 5red balls,6 white balls,and 6black ball.two balls are drown but not replaced.find the probsbilty that both balls are of the same colour
*August 20, 2014 by junu*

**MATH 12 HELP!**

One bag contains 4 white balls and 6 black balls. Another bag contains 8 white balls and 2 black balls. A coin tossed to select a bad, then a ball is randomly selected from that bag. Suppose white ball was drawn. What is the probability that it came from the first bag?
*May 20, 2012 by the man*

**math**

1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment. theoretical; the result ...
*April 23, 2013 by AKA *

**College Mathematics**

(odds) Playing Bingo:When playing bingo, 75 balls are placed in a bin and balls are selected at random. Each ball is marked with a letter and a number as indicated in the following chart: B: 1-15 I: 16-30 N:31-45 G:46-60 O:61-75. For example there are balls marked B1,B2 up to ...
*March 11, 2013 by slomomo*

**elementry math **

A box contains three black balls and two gold balls. A ball is selected at random, its color is recorded, and it is then replaced. A second ball is then selected at random and its color recorded. The outcome associated with this type of selection is an ordered pair (first draw...
*January 10, 2010 by katie *

**Math**

"In vase A, there are 3 red balls and 5 white balls. In vase B, there are 6 red balls and 4 white balls. Two balls are to be drawn at random, without replacement, from each vase. What is the probability of selecting 4 red balls?" (Answer: 1/28) So I thought about doing 4 cases...
*May 3, 2010 by Stuck*

**statistics**

There are eight balls in an urn. They are identical except for color. Five are red, two are blue, and one is yellow
*October 6, 2011 by Anonymous*

**Probability again**

A box contains 6 red balls, 4 blue balls, and 2 green balls. Three balls are randomly drawn (without replacement) from the box. What is the probability that the three balls selected are all the same color?
*November 29, 2009 by Ryan*

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